If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. Mathematics - Page 315by Samuel Webber - 1808Full view - About this book
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...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 20. **If A and B together can perform a piece of work in...in 9 days, and B and C in 10 days : how many days** would it take each person to perform the same work alone ? Ans. A 14JA days, B 17fa, and C 23JT. 21.... | |
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...of the other two, and the third with £ of the other two, shall each be equal to 34. 6. If A and B **can perform a piece of work in 8 days, A and C** in 9 days, and B and C in 10 days, in how many days can each alone perform the same ,work ? 7. Says... | |
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...preceding rules, we shall find #=26, y= 14, z = 8. Therefore A lost 10 shillings, B gained 2, and C 8. 6. **If A and B together, can perform a piece of work in...in 10 days, how many days will it take each person** alone, to perform the same work ? Let x, y, and z be the number of days in which A, B, and C respectively,... | |
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| Bourdon (Louis Pierre Marie, M.) - Algebra - 1838 - 355 pages
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 20. **If A and B together can perform a piece of work in...in 9 days, and B and C in 10 days : how many days** would it take each person to perform the same work alone ? Ans. A 14a.| days, B 17fi, and C 23JT. 21.... | |
| John Radford Young - Algebra - 1838 - 324 pages
...(62.) QUESTIONS PRODUCING SIMPLE EQUATIONS INVOLVING THREE UNKNOWN QUANTITIES. QUESTION I. If A and В **can perform a piece of work in 8 days, A and C together in 9 days, and** В and C together in 10 days ; in how many days can each alone perform the same work ? Let the number... | |
| Charles Davies - Algebra - 1839 - 252 pages
...and J of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and B together can do **a piece of work in 8 days, A and C together in 9 days, and B and C in** ten days ; how many days would it take each to perform the same work alone? ' Ans. A 14f|, B 17ff,... | |
| John D. Williams - Algebra - 1840 - 605 pages
...284+24=308, whence z=154 ' and, consequently, з? -\- 284 = 24000, the whole number of men. 48. If A and В **together can perform a piece of work in 8 days, A and** С together in 9 days, and В and С in 10 days, how many days will it take each person to perform... | |
| W. F. Walker - Arithmetic - 1841 - 231 pages
...work jointly? Ans. | of a week. (69.) If A and B together can perform a work in 8 days, and A and C **in 9 days, and B and C in 10 days, how many days will it take each** to perform the work alone ? Ans. A 14f|da.; B 17f?da.; C 23T^da. § 131. 1. Questions very often occur... | |
| Charles Davies, Bourdon (M., Louis Pierre Marie) - Algebra - 1842 - 358 pages
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 20. **If A and B together can perform a piece of work in...in 9 days, and B and C in 10 days : how many days** would it take each person to perform the same work alone ? Ans. A 14ff days, B 17ff, and C 23J y .... | |
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